Engagement in antisocial behavior during adolescence is a controversial issue causing social concern and with implications for the adolescents. This research based on data from 2014 Health Behavior School-aged Children (HBSC) study aims to determine prevalence rate of 11-16-year-old adolescents examine relationship between perceived global health. The sample composed 9775 enrolled school Spain ...

In this paper, we investigate the gender gap in education in rural northwest China. We first discuss parental perceptions of abilities and appropriate roles for girls and boys; parental concerns about old-age support; and parental perceptions of different labor market outcomes for girls' and boys' education. We then investigate gender disparities in investments in children, children's performan...

OBJECTIVE To compare the body mass index (BMI) (calculated as weight in kilograms divided by the square of height in meters) and the prevalence of BMI at or above the 85th centile and 95th centile (overweight) in adolescents. DESIGN Cross-sectional, nationally representative school-based surveys in 1997-1998 by means of identical data collection methods. SETTING Austria, Czech Republic, Den...

Background: Vitamin A deficiency (VAD) is still a public health problem across the globe and also in Burkina Faso, especially for under-five-years-old children. Since less information is available about the prevalence of VAD among the primary school children, this study aimed to study this area. Methods: A randomised double-blind placebo-controlled trial was conducted to assess the effect of hi...

BACKGROUND Children who use active modes of travel (walking or cycling) to school are more physically active than those who use passive (motorised) modes. However, less is known on whether a change in mode of travel to school is associated with a change in children's physical activity levels. The purpose of this analysis was to investigate the association between change in mode of travel to sch...

PURPOSE Breastfeeding has been associated with improved cognition. It remains unclear whether long-chain polyunsaturated fatty acids (LC-PUFAs) play a role in this association. We assessed the association between LC-PUFA concentrations in infant feeding and school performance at age 12. METHODS Within a population-based birth cohort, we compared school performance of 277 non-breastfed childre...

BACKGROUND/OBJECTIVES Menarche, the first menstrual period, is influenced by many factors including socio-economic status and rural or urban dwelling. The aims of the study were to compare the age at menarche between rural and urban girls and evaluate the anthropometric indices at menarche. MATERIALS AND METHODS A cross-sectional study of rural secondary school girls and urban school girls. A...